Description

1,1'-[2,5-Thiophenediylbis[(Dimethylsilylene)-2,1-Ethanediyl]]Bis[2,8,9-Trioxa-5-Aza-1-Silabicyclo[3.3.3]Undecane] is a sophisticated organosilicon compound featuring a unique bicyclic silatrane structure linked via a thiophene bridge. This molecular architecture is critical for its role as a highly effective coupling agent and surface modifier, enabling strong interfacial bonding between inorganic materials and organic polymers. It is primarily sought after by manufacturers in the advanced composites, specialty adhesives, and electronics sectors who require enhanced material performance and reliability.

Application

• Advanced Composite Materials: As a key coupling agent to improve the adhesion and dispersion of glass, carbon, or mineral fibers in epoxy, phenolic, and other polymer matrices, leading to composites with superior mechanical strength and durability.
• Electronic Encapsulants & Underfills: Used to modify silica fillers in epoxy molding compounds (EMCs) and underfill materials, significantly enhancing moisture resistance, thermal stability, and adhesion to chip surfaces and substrates.
• Specialty Adhesives & Sealants: Functions as an adhesion promoter in high-performance silicone, polyurethane, and epoxy-based formulations, improving bond strength to difficult substrates like metals, glass, and ceramics.
• Surface Treatment for Nanoparticles: Employed to functionalize the surface of silica, alumina, and other metal oxide nanoparticles, preventing agglomeration and improving their compatibility and integration into various host systems.
• Optical and Photonic Materials: Serves as a precursor or additive in the synthesis of hybrid organic-inorganic materials for lenses, waveguides, and coatings where precise refractive index control and environmental stability are required.
• Catalyst and Ligand Support: The silatrane groups can act as robust anchoring points for metal catalysts or complex ligands in heterogeneous catalysis applications.

Basic Information

Product Name	1,1'-[2,5-Thiophenediylbis[(Dimethylsilylene)-2,1-Ethanediyl]]Bis[2,8,9-Trioxa-5-Aza-1-Silabicyclo[3.3.3]Undecane]
CAS No.	72517-67-0
Molecular Formula	C26H48N2O6S1Si4
Molecular Weight	621.1 g/mol
Synonyms	Bis(2,8,9-trioxa-5-aza-1-silabicyclo[3.3.3]undecan-1-yl)-2,5-bis((dimethylsilyl)methylene)thiophene; Thiophene-bridged bis(silatrane); 2,5-Bis[(dimethylsilyl)methyl]thiophene-1,1'-diyl bis(2,8,9-trioxa-5-aza-1-silabicyclo[3.3.3]undecane); Silane coupling agent with silatrane and thiophene groups
EINECS	Contact for details

Quality Control

Our production of this high-purity silane coupling agent adheres to strict quality management protocols. Every batch is characterized using advanced analytical techniques including NMR, HPLC, and FT-IR to confirm structural integrity and purity. A comprehensive Certificate of Analysis (COA) detailing assay, identity, and impurity profiles is provided with each shipment to ensure traceability and compliance with your specific R&D or manufacturing requirements.

Storage

Preserve in a tightly closed container, protected from light. Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under a dry, inert atmosphere (e.g., nitrogen or argon) after opening. Store in a cool, dry place at a controlled room temperature (15-25°C).

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.